/*
 * Copyright 2017 flow.ci
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.flow.platform.api.config;

import com.google.common.cache.CacheBuilder;
import java.util.concurrent.TimeUnit;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.guava.GuavaCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @author yh@firim
 */
@Configuration
@EnableCaching
public class CachingConfig {

    private final static int EXPIRE_CACHE_SECOND = 3600 * 24;

    private final static int MAX_CACHE_NUM = 100;

    private CacheBuilder cacheBuilder = CacheBuilder
        .newBuilder()
        .expireAfterAccess(EXPIRE_CACHE_SECOND, TimeUnit.SECONDS)
        .maximumSize(MAX_CACHE_NUM);

    @Bean
    public CacheManager cacheManager() {
        GuavaCacheManager guavaCacheManager = new GuavaCacheManager();
        guavaCacheManager.setCacheBuilder(cacheBuilder);
        return guavaCacheManager;
    }
}
